ECHINOIDEA. II. 



193 



Nanie 



Parechimis niiliaris iMiill.) 



— iiiicrotuberciilatus (Blv.) 



Echinus esculeutus L 



— acutus Lnik 



— melo Link 



— elegans Diib. Kor 



— tenuispinus (Norm.) 



— gracilis A. Ag 



— Alexandri Dan. Kor 



— affinis Mrtsn 



— atlanticus llrtsii 



Paracentrotus lividus (Ltnk.) 



— Gaimardi (Blv.) 



Strongylocentrotus drobachiensis (O. F. M 

 Sphærechinus granularis iLuik.) 



— roseus Russo 



Psammechinus variegatus (Lmk.) 



Tripneustes esculentus (Leske) 



— gratilla (Leske) 



Ecliinometra lucunter |L.) 



— viridis A. Ag 



Heterocentrotus niamillatus (Klein) 



Pygastrides relictus Lov.^ 



Echinocj-atnus pusillus (O. F. Miill.) 



— grandiporus Mrtsn 



— macrostomus Mrtsn 



Q)^easter latissiuius (L,mk.) 



— Ravenellii (A. Ag.) 



— subdepressus (Graj-) 



Echinanthus rosaceus (L.) 



Echinarachnius parma (Lmk.) 



Mellita sexforis (Lnik.l 



— testudinata (Klein) 



Rotula Augusti Klein 



— Rumphii Klein 



Encope marginata Agass 



— Michelini Agass 



Echinoneus semilunaris (Lmk.) . . . 



— cyclostomus Leske 



Neolampas rostellata A. Ag 



Echiuolampas depressa Gray 



— Hellei Val 



Couolampas Sigsbei A. Ag 



Rhyncopygus caribbæarum (Lmk.) 



Urecliinus naresianus A Ag 



Plexechinus hirsutus Mrtsn 



Range 

 in depth 



(fathoms) 



0—50 

 2 — 40 

 0—690 

 20 — 700 

 30 — 600 

 50-950 



90 



75—250 



420—1350 



420 — 1120 



425 



O — 20 

 Littoral 

 0—640 

 0—400 

 15—50 

 o — 300 

 0—450 

 0—15 

 0—250 



0—7 

 Littoral 



180 



0—400 



100-700 



700—1100 



90—1950 



15 — 100 



0—1950 



o — 120 



2—890 



o — 270 



0—25 



Littoral 



Littoral 



0—70 



0—30 



0—80 



Littoral 



75—690 



35—160 



Littoral 



75-450 



2—105 



420—1715 



450—1300 



Arctic 

 region 



(+) 



+ 



+ 



Medi- 

 ter ran e.m 

 region 



« rt I :>;c 

 u < 



^i 



+ 



+ 

 + 

 (+) 

 + 

 + 



(+) 



+ 

 (+) 



+ 



+ 



+ 



+ 



+ 



+ 



+ • 



+ 



+ 



+ 



European 

 Atlantic 

 region 



West 

 African 

 Atlantic 



region 



East 

 American 

 Atlantic 



+ 



+ 



(+) 

 C+) 



+ 

 + 

 + 

 + 

 (f) 

 + 

 + 



+ 



(+) 



+ 



+ 



(+) 



+ 



+ 



+ 



+' 



+ 



+ 



(+) 



+ 



+ 

 (+) 



+ 



+ 



+ 

 (+) 



+ 





+ 



(+) 



+ 

 + 

 + 

 (+) 



+ 



' Onlv from Ascen»iion. 



Also in the Nonli Pacific. 



'^ Onlv from Ascension, otlier- 

 wise indo-pacific. 



Only in the Eastern Mediterra- 

 nean(?),othcr\vise Indo-paciric. 

 3 Perhaps only the young of 

 Conoliimfias Sigsbei. 



Also in the North Pacific. 



Only Ascension, otherwise 

 Indo-pacific. 



Also off South Africa. 



The Ingolf-Expedition. IV. 2. 



25 



